/Engine/Plugins/Online/OnlineServicesEOSGS/Source/Public/Online/OnlineServicesEOSGSTypes.h
template<typename Function> struct TEOSCallbackTraits : public [UE::Online::Private::TEOSCallbackTraitsBase< std::remove_reference< Function >::type >](API\Plugins\OnlineServicesEOSGS\Online\TEOSCallbackTraitsBase)